{% extends "base.html" %}
{% load i18n %}
{% load staticfiles %}
{% load icons %}

{% block title %}{% trans "Overview" %} - {{ compute.name }}{% endblock %}

{% block page_heading %}{{ compute.name }}{% endblock page_heading %}

{% block content %}
    <div class="row">
        <div class="col-lg-12">
            <nav aria-label="breadcrumb">
            <ol class="breadcrumb bg-light shadow-sm">
                <li class="breadcrumb-item">
                    <span class="font-weight-bold">{% icon 'dashboard' %} {% trans "Overview" %}</span>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'instances' compute.id %}">{% icon 'server' %} {% trans "Instances" %}</a>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'storages' compute.id %}">{% icon 'hdd-o' %} {% trans "Storages" %}</a>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'networks' compute.id %}">{% icon 'sitemap' %} {% trans "Networks" %}</a>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'interfaces' compute.id %}">{% icon 'wifi' %} {% trans "Interfaces" %}</a>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'nwfilters' compute.id %}">{% icon 'filter' %} {% trans "NWFilters" %}</a>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'secrets' compute.id %}">{% icon 'key' %} {% trans "Secrets" %}</a>
                </li>
            </ol>
            </nav>
        </div>
    </div>

    <div class="shadow-sm">
        <h3 class="page-header">{% trans "Basic details" %}</h3>
        <dl class="mx-3 row">
            <dt class="col-3">{% trans "Hostname" %}</dt>
            <dd class="col-9">{{ hostname }}</dd>
            <dt class="col-3">{% trans "Hypervisors" %}</dt>
            <dd class="col-9">
                <div class="dropdown">
                    {% for arch, hpv in hypervisor.items|slice:":4" %}
                    <button class="btn btn-sm btn-outline-primary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        {{ arch }}
                    </button>
                    <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
                        {% for h in hpv %}
                            <a class="dropdown-item" href="#">{{ h }}</a>
                        {% endfor %}
                    </div>
                    {% endfor %}
                </div>
                <div class="dropdown">
                  {% if hypervisor.items|length > 4 %}
                    <button class="btn btn-sm btn-outline-primary dropdown-toggle" type="button" id="dropdownMenuButton{{ forloop.counter0 }}" data-toggle="dropdown">
                        {{ hypervisor.items|slice:"4:"|length }} {% trans 'more' %}...
                    </button>
                    <div class="dropdown-menu" aria-labelledby="dropdownMenuButton{{ forloop.counter0 }}" role="menu">
                        {% for arc in hypervisor.keys|slice:"4:" %}
                                <a class="dropdown-item" tabindex="-1" href="#">{{ arc }}</a>
                        {% endfor %}
                    </div>
                    {% endif %}
                </div>
            </dd>  
            <dt class="col-3">{% trans "Emulator" %}</dt>
            <dd class="col-9">{{ emulator }}</dd>
            <dt class="col-3">{% trans "Version" %}</dt>
            <dd class="col-9">
                <span class="badge bg-secondary text-light">{% trans 'Qemu' %} </span>
                 <span class="badge bg-primary text-light">{{ version }}</span> &nbsp;
                <span class="badge bg-secondary text-light">{% trans 'Libvirt' %} </span>
                <span class="badge bg-primary text-light">{{ lib_version }}</span> &nbsp;
            </dd>
            <dt class="col-3">{% trans "Memory" %}</dt>
            <dd class="col-9">{{ host_memory|filesizeformat }}</dd>
            <dt class="col-3">{% trans "Architecture" %}</dt>
            <dd class="col-9">{{ host_arch }}</dd>
            <dt class="col-3">{% trans "Logical CPUs" %}</dt>
            <dd class="col-9">{{ logical_cpu }}</dd>
            <dt class="col-3">{% trans "Processor" %}</dt>
            <dd class="col-9">{{ model_cpu }}</dd>
            <dt class="col-3">{% trans "Connection" %}</dt>
            <dd class="col-9">{{ uri_conn }}</dd>
            <dt class="col-3">{% trans "Details" %}</dt>
            <dd class="col-9">{{ compute.details }}</dd>
        </dl>

        <h3 class="page-header">{% trans "Performance" %}</h3>
        <div class="mx-3 shadow-sm">
            <div class="my-3 card border-success">
                <div class="card-body">
                    <h5 class="card-title">
                        <i class="fa fa-long-arrow-right"></i> 
                        {% trans "CPU Utilization" %}
                    </h5>
                    <canvas id="cpuChart" width="735" height="160"></canvas>
                </div>
            </div>

            <div class="my-3 card border-primary">
                    <div class="card-body">
                        <h5 class="card-title ">
                            <i class="fa fa-long-arrow-right"></i> {% trans "RAM Utilization" %}
                        </h5>
                        <canvas id="memChart" width="735" height="160"></canvas>
                    </div>
                </div>
            </div>
        </div>
    </div>
{% endblock %}
{% block script %}
<script src="{% static "js/Chart.bundle.min.js" %}"></script>
<script>

    var cpu_ctx = document.getElementById("cpuChart").getContext("2d");
    var cpuChart = new Chart(cpu_ctx, {
        type: 'line',
        data: {
            datasets : [{
                label: 'Usage',
                backgroundColor: "rgba(241,72,70,0.5)",
                pointRadius: 2,
            }]
        },
        options: {
            responsive: true,
            legend: {
                display: false
            },
            scales: {
                xAxes:[{
                    offset: false,
                    ticks: {
                        beginAtZero: false,
                        autoSkip: true,
                        maxTicksLimit: 10,
                        maxRotation: 0,
                        minRotation: 0,
                        stepSize: 10,
                    },
                }],
                yAxes: [{
                    ticks: {
                        max: 100,
                        min: 0,
                        stepSize: 20,
                        callback: function(value, index, values) {
                            return value + ' %';
                        }
                    },
                }],
            },
            tooltips: {
                 callbacks: {
                     label: function (tooltipItem, chart) {
                         var label = chart.datasets[tooltipItem.datasetIndex].label || '';
                         if (label) {
                            label += ': ';
                         }
                         return label += tooltipItem.yLabel + ' %';
                     }
                 }
            }
        }
    });

    var mem_ctx = document.getElementById("memChart").getContext("2d");
    var memChart = new Chart(mem_ctx, {
        type: 'line',
        data: {
            datasets: [{
                pointRadius: 2,
            }]
        },
        options: {
            responsive: true,
            legend: {
                display: false
            },
            scales: {
                xAxes:[{
                    offset: false,
                    ticks: {
                        beginAtZero: false,
                        autoSkip: true,
                        maxTicksLimit: 10,
                        maxRotation: 0,
                        minRotation: 0
                    }
                }],
                yAxes: [{
                    ticks:{
                        suggestedMin: 0,
                        suggestedMax: 100,
                        callback: function(value, index, values) {
                            return value + ' MB';
                        }
                    },
                }],
            },
            tooltips: {
                 callbacks: {
                     label: function (tooltipItem, chart) {
                         var label = chart.datasets[tooltipItem.datasetIndex].label || '';
                         if (label) {
                            label += ': ';
                         }
                         return label += tooltipItem.yLabel  + ' MB';
                     }
                 }
            }
        }
    });
    if (Boolean({{ status }}) === true) {
        window.setInterval(function graph_usage() {
            $.getJSON('{% url 'compute_graph' compute_id %}', function (data) {
                cpuChart.data.labels.push(data.timeline);
                memChart.data.labels.push(data.timeline);

                cpuChart.data.datasets[0].data.push(data.cpudata);
                if (cpuChart.data.datasets[0].data.length > 10){
                    cpuChart.data.labels.shift();
                    cpuChart.data.datasets[0].data.shift();
                }
                memChart.options.scales.yAxes[0].ticks.max = parseInt(data.memdata.total / 1048576);
                memChart.options.scales.yAxes[0].ticks.stepSize = parseInt(data.memdata.total / (1048576 * 5));
                memChart.data.datasets[0].data.push(parseInt(data.memdata.usage / 1048576));

                if (memChart.data.datasets[0].data.length > 10){
                    memChart.data.labels.shift();
                    memChart.data.datasets[0].data.shift();
                }

                cpuChart.update();
                memChart.update();
            });
        }, 5000);
    }
</script>
{% endblock %}
